$(document).ready(function() {
	$("#faculty").change(function() {
		$name = $("#faculty").val();
		if($name == -1)
			$("div.post").slideDown();
		else {
			$all=$("div.post");
			$all.slideUp();
			$slide=$("div[name=" + $name + "]");
			$slide.slideDown();
		}
	});
});
